 .h-l-1px {
   position: relative;

   &:before {
     @include h-1px(#eee, left)
   }
 }

 .h-r-1px {
   position: relative;

   &:before {
     @include h-1px(#eee, right)
   }
 }

 .h-t-1px {
   position: relative;

   &:before {
     @include h-1px(#eee, top)
   }
 }

 .h-b-1px {
   position: relative;

   &:before {
     @include h-1px(#eee, bottom)
   }
 }

 .h-1px {
   position: relative;

   &:before {
     @include h-all-1px(#eee, 0)
   }
 }
